GUI: status accuracy + remove-only action; sync script peer names on exists

server/wg-peerctl.sh

@@ -257,7 +257,13 @@ cmd_add() {
 
   if peer_exists_by_pubkey "$client_pubkey"; then
     local existing_addr
+    local existing_allowed
     existing_addr="$(extract_peer_address_by_pubkey "$client_pubkey")"
+    existing_allowed="${existing_addr:-}"
+    if [[ -n "$client_routes" ]]; then
+      existing_allowed="${existing_allowed},${client_routes}"
+    fi
+    sync_gui_db_upsert_peer "$client_name" "$client_pubkey" "${existing_addr:-}" "$client_routes" "$client_psk" "${existing_allowed}" 1
     cat <<EOF_OUT
 STATUS=exists
 CLIENT_NAME=$client_name